Kumkum Sarkar Patel, M.D., MPH
Opted out of Medicare from December 2024 to December 2026. Internal Medicine, Gastroenterology (M.D., MPH) in Fullerton, California, licensed in CA and IL, with an NPI issued in June 2012. Their prescriptions cost Medicare Part D more than their services did: $51,078 for 195 claims, against $23,188 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 6 companies reporting payments in 2025, $94,365 in all, mostly speaking and faculty fees.
Overview
| NPI | 1003178138 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., MPH |
| Sole proprietor | No |
| NPI issued | Jun 14, 2012 |
| Last updated in NPPES | May 7, 2024 |
| Certified by provider | Nov 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A163386 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | 036137725 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Dec 30, 2024 – Dec 30, 2026 |
| Can order and refer | Yes |
| Accepts assignment | Yes (participating) |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Medicare services in 2024
| Medicare patients | 53 |
|---|---|
| Services billed | 176 across 16 procedure codes |
| Paid by Medicare | $23,188 |
Part D prescriptions in 2024
| Prescriptions (claims) | 195 · 444 30-day fills |
|---|---|
| Patients | 99 |
| Total drug cost | $51,078 |
| Generic share | 79% of claims |
Industry payments (Open Payments)
- 2025$94,365 · 100 payments from 6 companies
- 2024$3,169 · 30 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $49,004 | 48 |
| Genzyme Corporation | $31,008 | 29 |
| Ardelyx, Inc. | $13,983 | 18 |
| Regeneron Pharmaceuticals, Inc. | $174.10 | 2 |
| Ipsen Biopharmaceuticals, Inc | $150.00 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$79,927 · 22 payments
- Travel and Lodging$8,785 · 40 payments
- Consulting Fee$3,000 · 1 payment
- Food and Beverage$2,653 · 37 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Gastroenterology providers in California →